Home / 100,598.04-138,830.22-58,160.52

Finding the Fourth Proportional to 100,598.04, 138,830.22 and 58,160.52

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Solution

The fourth proportional to 100,598.04, 138,830.22 and 58,160.52 is: 80,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,598.04 : 138,830.22 = 58,160.52 : x
  2. Step 2: Convert to fraction form
    100,598.04/138,830.22 = 58,160.52/x
  3. Step 3: Cross multiply
    100,598.04x = 138,830.22 × 58,160.52
  4. Step 4: Simplify right side
    100,598.04x = 8,074,437,786.91
  5. Step 5: Solve for x
    x = 8,074,437,786.91/100,598.04
  6. Step 6: Final answer
    x = 80,264.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.